Final Values Assigned to Assets Acquired and Liabilities Assumed Based on Their Estimated Fair Values at the Date of Acquisitions (Detail) - USD ($) $ in Thousands						3 Months Ended	12 Months Ended
	Dec. 01, 2015	Aug. 31, 2015	Aug. 20, 2015	Aug. 06, 2015	Jul. 21, 2015	Jun. 30, 2016	Dec. 31, 2015
Liabilities:
Goodwill from purchase						$ 70,572	$ 69,851
2015 Acquisitions
Assets:
Inventory							53
Accounts receivable							2,641
Intangible assets							406
Total assets							35,268
Liabilities:
Deferred revenues							21,349
Other liabilities							21
Total liabilities							25,504
Fair value of net assets acquired							9,764
Consideration paid - cash	$ 5,700	$ 5,000	$ 1,500	$ 5,700	$ 900		18,800
Deferred cash consideration		$ 1,000					876
Total consideration paid							19,676
Gain on bargain purchase							766
Goodwill from purchase							10,678
2015 Acquisitions | Perpetual care trusts, restricted, at fair value | Merchandise Trusts
Assets:
Estimated fair value of assets acquired							15,075
2015 Acquisitions | Perpetual care trusts, restricted, at fair value | Perpetual care trusts
Assets:
Estimated fair value of assets acquired							4,134
2015 Acquisitions | Perpetual care trust corpus | Perpetual care trusts
Liabilities:
Estimated fair value of liabilities assumed							4,134
2015 Acquisitions | Cemetery property
Assets:
Property and equipment							5,249
2015 Acquisitions | Other property and equipment
Assets:
Property and equipment							$ 7,710
2016 Acquisitions
Assets:
Accounts receivable						22
Other assets						13
Total assets						635
Liabilities:
Deferred revenues						193
Total liabilities						193
Fair value of net assets acquired						442
Consideration paid - cash						1,500
Total consideration paid						1,500
Goodwill from purchase						1,058
2016 Acquisitions | Perpetual care trusts, restricted, at fair value | Merchandise Trusts
Assets:
Estimated fair value of assets acquired						290
2016 Acquisitions | Cemetery and Funeral Home Property
Assets:
Property and equipment						90
2016 Acquisitions | Other property and equipment
Assets:
Property and equipment						$ 220